Finding the Third Proportional to 488,210 and 1,028,908

Step by Step Solution

1. Step 1: Write the proportion equation
   488,210 : 1,028,908 = 1,028,908 : x
2. Step 2: Convert to fraction form
   488,210/1,028,908 = 1,028,908/x
3. Step 3: Cross multiply
   488,210x = 1,028,908 × 1,028,908
4. Step 4: Simplify right side
   488,210x = 1,058,651,672,464
5. Step 5: Solve for x
   x = 1,058,651,672,464/488,210
6. Step 6: Final answer
   x = 2,168,435.04